A+ A A-. Caption: Seven of Nine and The Doctor. Caption: Seven of Nine and Chakotay. Caption: Ryan as Dr. Kate Murphy on Burden of Proof. Caption: Ryan as Dr. Kate Murphy on Burden of Proof. Jeri Ryan made a most indelible mark on Star Trek: Voyager when she joined the cast as Seven of Nine during the showâs fourth season.
Corporal is a military rank in use in some form by most militaries and by some police forces or other uniformed organizations. Within NATO, each member nation's corresponding military rank of corporal is combined under the NATO-standard rank scale code OR-4.orporal is the second lowest of the non-commissioned officer ranks in the Australian Army, falling between lance-corporal and sergeant. A corporal is usually a section commander, and is in charge of 7-14 soldiers of private rank.
First Sergeant is the name of a military rank used in some countries. First Sergeant is a Specialist rank in the Singapore Armed Forces. First Sergeants are the most senior of the junior Specialists, ranking above Second Sergeants, and below Staff Sergeants. The rank insignia for a First Sergeant features the three chevrons pointing down shared by all Specialists, and two chevrons pointing up.